Before you pay thousands of dollars for your new video projector, you might want to know how a projectors works, why some projectors are better than others, and what you get for your money, and you'll also learn about the screen door and rainbow effect that could cause problems.

Check out this video tutorial from JVC Professional to help you figure out how to choose the right projector for your home or office. Don't get stuck with something you don't want... research it, know about it, love it.